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Note: 1) to 5) are basic regexes; 1) a(ab)*a (a)ababa (b) aaba (c) aabab (d) aabbaa (e)aa 2) a?[bc]* (a) abc (b) a?[bc] (c) a[bc

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Note: 1) to 5) are basic regexes; 1) a(ab)*a (a)ababa (b) aaba (c) aabab (d) aabbaa (e)aa 2) a?[bc]* (a) abc (b) a?[bc] (c) a[bc (d) a? (e) abcbc 3) *:[nd]* (a) wind (b) window (c) end (d) good (e)will 4) '[a-z]+[0-9] (a) a+- (b) aa++ (c) 6+ = (d) a-6 (e) aa+1 + 2 74 6 HIM LAM 1 Note: 1) to 5) are basic regexes; 1) a(ab)*a' (a)ababa (b) aaba (c) aabab (d) aabbaa (e)aa (d) a? (e) abcbc 2) a?[bc]** (a) abc (b) a?[bc] (c) a[bc 3) *: [nd]* (a) wind (b) window (c) end (d) good 4) [a-z]-[0-9] (a) a++ (b) aa++ (c) 6 (e)will (d) a+6 (e) aa-1

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